Plug for a pipe coupling



FIG. 1 is a perspective view of a plug for a pipe coupling showing mynew design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof; and,

FIG. 6 is a front cross-sectional taken along line 6-6 in FIG. 4;

A rear elevational view is omitted as it appears symmetrical with thefrond view. A bottom plan view is omitted as it appears to be the sameas the top plan view.

The broken lines show portions of the design that form no part theclaimed design.

CLAIM The ornamental design for a plug for a pipe coupling, as shown anddescribed.